Add "Functional enrichment" part2 to stringApp.Rmd

stringApp.Rmd

@@ -287,6 +287,12 @@ It contains a table of enriched terms and corresponding information for each enr
 
 *Which are the three most statistically significant terms?*
 
+To explore only specific types of terms, e.g. GO terms, and to remove redundant terms from the table, click on the filter icon in the **Table panel** (leftmost icon).
+Select the three types of GO terms, enable the option to **Remove redundant terms** and set **Redundancy cutoff** to 0.2.
+In this way, you will see only the statistically significant GO terms that do not represent largely the same set of proteins within the network.
+You can see which proteins are annotated with a given term by selecting the term in the **STRING Enrichment** panel.
+
+*Do the functional terms assigned to a protein correlate with whether it is up- or down-regulated?*
 
 # Exercise 3